Am Dienstag, den 12.01.2016, 23:40 +0100 schrieb Daniel Vetter:

On Tue, Jan 12, 2016 at 11:02 PM, Rob Herring [off-list ref] wrote:

quoted

On Tue, Jan 12, 2016 at 9:15 AM, Philipp Zabel [off-list ref] wrote:

quoted

From: CK Hu <redacted>

Add an interface to allocate Mediatek GEM buffers, allow the IOCTLs
to be used by render nodes.
This patch also sets the RENDER driver feature.

But it should not a be render node unless it has a GPU AFAIK. Then
again, I still don't understand the madness of every driver defining
their own buffer ioctls either. The only line remotely h/w specific
here is mtk_drm_gem_create call.

Support gem_create/mmap_offet alone is indeed pointless without some
real support for gpu workloads. For plain display drivers the dumb
buffer api, plus prime/dma-buf import should be plenty enough.

The usual reason for doing this is some blob driver for opengl that
can't be open-source, which is a big no-go for upstream.

Imo best to just rip this out, consider it nacked without full-blown
userspace and whatever else is needing these buffers.
-Daniel

Yes, I'll drop this one.

thanks
Philipp

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